【解析】
【分析】
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考查动词短语辨析。句意:6G的速度将超过125 GB/s，使得新一代的虚拟现实成为可能。A. allowing for使……成为可能，促进……的发生；B. accounting for解释；C. calling for需要，要求；呼吁；D. compensating for补偿。根据空前The speed of 6G will exceed 125 GB/s可知，125 GB/s的6G速度将使得新一代的虚拟现实成为可能。故选A。
高考英语试卷
21．Many lessons are now available online, from _____ students can choose for free.
A．whoseB．whichC．whenD．whom
【答案】B
【解析】
【分析】
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考查定语从句。句意：许多课程现在都可以在网上找到，学生们可以从中免费选择。此处是非限定性定语从句，先行词是many lessons，关系词在从句中做介词from的宾语，应使用关系代词which引导。故选B。
35．—Do you know anything about Zhang Zhongjing?
—______ He has been honored as a master doctor since the Eastern Han Dynasty.
A．How come?B．So what?C．By all means.D．With pleasure.
【答案】D
【解析】
【分析】
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考查习惯用语辨析。句意:在海湾上建造这样一座桥是一件困难的事情，但当地政府在两年内完成了。A. a wet blanket一件扫兴的事情；B. a piece of cake小菜一碟；C. a dark horse出人意外such a bridge over the bay及空后but the local government made it within two years可知，在海湾上建造这样一座桥是一件困难的事情。故选D。
25．It is not a problem _____ we can win the battle; it’s just a matter of time.
A．whetherB．whyC．whenD．where
【答案】A
【解析】
【分析】
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考查主语从句。句意:我们能否打赢这场战斗不是问题；这只是时间问题。A. whether是否；B. why为什么；C. when什么时候；D. where在哪里。根据下文it’s just a matter of time可知，此处指”我们能否打赢这场战斗不是问题”，it是形式主语，whether引导的从句是真正的主语。故选A。
【详解】
考查动词时态。句意:他没有像我所期望的那样着手做新工作，而是又检查了一遍以前的工作。此处描述的动作发生在examined之前，属于“过去的过去”，应使用过去完成时。故选A。
27．There will still be lots of challenges if we are to _____ garbage in a short time.
A．whicheverB．wheneverC．whereverD．whatever
【答案】D
【解析】
【分析】
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考查代词词义辨析。句意:这个演员通常在表演前就已经计划好了前两个技巧，然后全力以赴。A. whichever无论哪个；B. whenever无论何时；C. wherever无论何地；D. whatever无论什么。分析句子成分可知，此处做goes for的宾语，指代“任何事情”，whatever符合语境。故选D。
【详解】
考查名词词义辨析。句意：许多国家的卫生安全系统正在经历重大变革。A. reservation预订；B. transformation改革，变革；C. distinction区别；D. submission提交。根据前文The health security systems可知，此处指“卫生安全系统的变革”。故选B。
29．The outbreak of Covid-19 has meant an _____ change in our life and work.
A．absurdB．abruptC．allergicD．authentic
【答案】B
【解析】
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考查形容词词义辨析。句意:新冠肺炎疫情的爆发，给我们的生活和工作带来了一个突然的变化。A. absurd荒谬的；B. abrupt突然的；C. allergic过敏的；D. authentic真实的。根据常识可知，新冠肺炎疫情给我们的生活和工作带来了一个突然的变化。故选B。
23．They decide to have more workers for the project ____ it won’t be delayed.
A．even ifB．as ifC．now thatD．so that
【答案】D
【解析】
【分析】
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考查连词辨析。句意：他们决定为这项工程增加工人，以免耽搁。A. even if即使；B. as if好像；C. now that既然；D. so that为了。空后it won’t be delayed是前面采取措施的目的，应使用so that引导目的状语从句。故选D。
33．The health security systems of many countries are undergoing considerable ______.
A．reservationB．transformationC．distinctionD．submission
【答案】B
【解析】
【分析】
28．If I hadn’t been faced with so many barriers, I _____where I am.
A．won’t beB．wouldn’t have beenC．wouldn’t beD．shouldn’t have been
【答案】C
【解析】
【分析】
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考查虚拟语气。句意：如果我没有面对那么多的障碍，我现在就不会在这里。分析句子成分可知，此处是错综时间虚拟语气，根据空后where I am可知，此处是与现在事实相反的假设，主句谓语动词应使用would/could/might/should+do。故选C。
Being good at something and having a passion for it are not enough. Success36fundamentally on our view of ourselves and of the37in our lives.
When twelve-year-old John Wilson walked into his chemistry class on a rainy day in 1931, he had no38of knowing that his life was to change39. The class experiment that day was to40how heating a container of water would bring air bubbling (冒泡) to the surface.41, the container the teacher gave Wilson to heat42held something more volatile (易挥发的) than water. When Wilson heated it, the container43, leaving Wilson blinded in both eyes.
【解析】
【分析】
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考查介词短语辨析。句意:接受这个挑战会让你和你有共同兴趣的人接触。A. in exchange for作为交换；B. in answer to回答；C. in contact with接触，与……有联系；D. in memory of纪念。根据空后someone who shares your interests及常识可知，此处指“和与你有共同兴趣的人接触”。故选C。
31．Technological innovations, ____ good marketing, will promote the sales of these products.
A．combined withB．combining withC．having combined withD．to be combined with
30．Taking on this challenge will bring you _____ someone who shares your interests.
A．in exchange forB．in answer toC．in contact withD．in memory of
【答案】C
24．Building such a bridge over the bay was ______ but the local government made itwithin two years.
A．a wet blanketB．a piece of cakeC．a dark horseD．a hard nut to crack
【答案】A
【解析】
【分析】
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考查非谓语动词。句意:技术创新与良好的市场营销相结合，将促进这些产品的销售。此处是短语:be combined with“与……结合/联合”，本句中省略be动词，使用过去分词做状语。故选A。
32．This actor often has the first two tricks planned before performing, and then goes for ______.